bones become thicker and wider (since epiphyseal closure has occurred)

What is the most common hyperthyroid condition?

Graves disease

What are the signs/symptoms of Graves disease?

tachycardia
arrhythmias
out of breath on exertion
diarrhea
weight loss
muscle weakness
fatigue
nervousness
inattention
amennorhea
impotence
eyeballs look like they are about to pop out of head
goiter (thyroid enlargement)